package com.lkl.springcloud.controller;

import com.lkl.springcloud.pojo.Dept;
import com.lkl.springcloud.service.DeptService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import java.util.List;

//提供Restful服务(接口)！
@RestController
@RequestMapping("/dept")
public class DeptController {

    @Autowired
    private DeptService deptService;

    //获取一些配置的信息，得到具体的微服务
    @Autowired
    private DiscoveryClient discoveryClient;

    @PostMapping("/add")
    public boolean addDept(Dept dept) {
        return deptService.addDept(dept);
    }

    @GetMapping("/get/{id}")
    public Dept get(@PathVariable("id") Long id) {
        return deptService.queryById(id);
    }

    @GetMapping("/list")
    public List<Dept> queryAll() {
        return deptService.queryAll();
    }

    //注册进来的微服务~，获取一些消息~
    @GetMapping("/discovery")
    public Object discovery() {
        List<String> services = discoveryClient.getServices();
        System.out.println("discovery=>services" + services);

        //得到具体的微服务信息，通过具体的微服务id,applicationName来获取
        List<ServiceInstance> instances = discoveryClient.getInstances("springcloud-provider-dept");
        for (ServiceInstance instance : instances) {
            System.out.println(
                    instance.getHost() + "\t" + // 主机名称
                            instance.getPort() + "\t" + // 端口号
                            instance.getUri() + "\t" + // uri
                            instance.getServiceId() // 服务id
            );
        }
        return this.discoveryClient;
    }

}
